Some of these may be familiar, others may not. I found these here: Inspirational One Liners. Feel free to click on the link if you want to see more.
"To conquer fear is the beginning of wisdom." - Bertrand Russell
"No-one can make you feel inferior without your consent." - Eleanor Roosevelt
"A mistake is only a mistake if you don't learn from it." - Origin Unknown
"There is none so blind as those who will not listen." - William Slater
"Do not walk behind me, I may not lead. Do not walk in front of me, I may not follow. Just walk beside me and be my friend." - Albert Camus
"Difficulty is not an obstacle, it is merely an attribute". - Wal Sakaluk
"It is amazing what you can accomplish if you do not care who gets the credit." - Harry S Truman
"A person who graduated yesterday and stops studying today is uneducated tomorrow." - Origin unknown
"A dream is just a dream. A goal is a dream with a plan and a deadline." - Harvey Mackay
"Don't let yesterday take up too much of today." - Will Rogers
"Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful." - Samuel Johnson
"By failing to prepare, you are preparing to fail" - Benjamin Franklin
"The pessimist sees difficulty in every opportunity; the optimist sees opportunity in every difficulty" - Winstom Churchill
"Coming together is a beginning; keeping together is progress; working together is success" - Henry Ford
"Happiness is not a station to arrive at, but a manner of traveling" - Margaret Lee Runbeck
"Your life does not get better by chance, it gets better by change" - Jim Rohn
"Men willingly believe what they wish" - Julius Caesar
"Happiness comes when your work and words are of benefit to yourself and others" - Buddha
"Strive for excellence, not perfection." - H Jackson Brown Jr.
"Failing to plan is planning to fail." - Allen Lakein
"Plan you work and work your plan." - Napolean Hill
"The discipline of writing something down is the first step toward making it happen." - Lee Iacocca
"Make your vocation into vacation and you will not have to work a single day." - Nicholas Lore
"The more you can dream the more you can do." - Michael Korda
"Whatever the mind of man can conceive and believe, he can achieve." - Napolean Hill
"We are what and where we are because we have first imagined it." - Donald Curtis
"The meeting of preparation with opportunity generates the offspring we call luck." - Anthony Robbins
"Vision is the art of seeing the invisible." - Jonathan Swift
"Winners make it happen; Losers let it happen." - Leonard Lavin